Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 4 30.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2013   11:29:34   (  68.25,   6.04) (  68.26,   6.09)    2.41                30
 05/02/2013   12:20:14   ( -68.08, 173.57) ( -68.09, 173.53)    2.28                39
 05/05/2013   02:55:50   ( -68.59, -45.94) ( -68.52, -45.35)   25.63                71
 05/05/2013   03:46:29   (  68.18, 121.90) (  68.18, 121.89)    0.43                 3
 05/05/2013   04:37:10   ( -68.06, -70.63) ( -68.07, -70.60)    1.81                68
 05/07/2013   19:12:39   ( -68.26,  70.26) ( -68.26,  70.23)    1.33                52
 05/07/2013   20:03:23   (  68.11,-122.25) (  68.14,-122.26)    2.85                25
 05/07/2013   20:53:50   ( -67.24,  46.14) ( -67.31,  44.42)   74.32                69
 05/10/2013   10:39:08   (  69.13,  17.55) (  69.03,  19.45)   75.91                67
 05/10/2013   11:29:34   ( -68.20,-173.89) ( -68.21,-173.94)    2.27                24
 05/10/2013   12:20:18   (  68.06,  -6.40) (  68.08,  -6.44)    3.17                53
 05/13/2013   02:55:48   (  68.27, 134.47) (  68.29, 134.42)    2.77                66
 05/13/2013   03:46:30   ( -68.20, -58.12) ( -68.19, -58.06)    2.38                 6
 05/13/2013   04:37:08   (  67.74, 109.77) (  67.79, 109.11)   28.28                72